Multiplying Fractions by Whole Numbers

Front

What is a fraction?

Back

A fraction represents a part of a whole, consisting of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to multiply a fraction by a whole number?

Back

Multiplying a fraction by a whole number means you are taking that fraction and adding it to itself as many times as the whole number indicates.

Front

How do you multiply a fraction by a whole number?

Back

To multiply a fraction by a whole number, multiply the numerator of the fraction by the whole number and keep the denominator the same.

Front

What is 3/4 multiplied by 4?

Back

3/4 x 4 = 12/4 or 3.

Front

If you have 2 jars of candy, each containing 1/2 Ib, what is the total weight?

Back

2 x 1/2 = 2/2 = 1 Ib.

Front

What is the total weight of 4 jars of candy, each with 3/4 Ib?

Back

4 x 3/4 = 12/4 = 3 Ib.

Front

What is the result of multiplying 6/10 by 4?

Back

6/10 x 4 = 24/10 or 2.4.

Front

What does the numerator represent in a fraction?

Back

The numerator represents the number of parts you have.

Front

What does the denominator represent in a fraction?

Back

The denominator represents the total number of equal parts in a whole.

Front

What is a visual model for multiplying fractions?

Back

A visual model can be a rectangle divided into equal parts to show how many parts of a whole are being considered.